ciolib.c 22.6 KB
Newer Older
deuce's avatar
deuce committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This library is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU Lesser General Public License		*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU Lesser General Public License for more details: lgpl.txt or	*
 * http://www.fsf.org/copyleft/lesser.html									*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

34
/* Icon file! */
rswindell's avatar
rswindell committed
35
#ifdef __BORLANDC__
36
#pragma resource "ciolib.res"
rswindell's avatar
rswindell committed
37
#endif
38

39
#include <stdarg.h>
40
#include <stdlib.h>	/* alloca */
41
#include <stdio.h>
42
43
44
#if defined(_WIN32)
 #include <malloc.h>	/* alloca() on Win32 */
#endif
45

deuce's avatar
deuce committed
46
47
#include <threadwrap.h>

48
49
50
#define CIOLIB_NO_MACROS
#include "ciolib.h"

51
52
53
#ifdef WITH_SDL
 #include "sdl_con.h"
#endif
deuce's avatar
deuce committed
54
55
56
#ifdef _WIN32
 #include "win32cio.h"
#else
57
58
59
60
61
62
63
64
65
 #ifndef NO_X
  #include "x_cio.h"
 #endif
 #include "curs_cio.h"
 #undef getch
#endif

#include "ansi_cio.h"

66
CIOLIBEXPORT cioapi_t	cio_api;
67
68
69
70

static int ungotch;
static struct text_info cio_textinfo;
static int lastmode=3;
71
72
73
CIOLIBEXPORT int _wscroll=1;
CIOLIBEXPORT int directvideo=0;
CIOLIBEXPORT int hold_update=0;
74
CIOLIBEXPORT int puttext_can_move=0;
75
76
static int initialized=0;

77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str);
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...);
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch);
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y);
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str);
CIOLIBEXPORT int	CIOLIBCALL ciolib_cprintf(char *fmat, ...);
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a);
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode);
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey);
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt);
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void);
111

112
#define CIOLIB_INIT()		{ if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
113

114
115
116
#ifdef WITH_SDL
int try_sdl_init(int mode)
{
117
	if(!sdl_initciolib(mode)) {
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
		cio_api.mouse=1;
		cio_api.puttext=sdl_puttext;
		cio_api.gettext=sdl_gettext;
		cio_api.textattr=sdl_textattr;
		cio_api.kbhit=sdl_kbhit;
		cio_api.delay=sdl_delay;
		cio_api.wherey=sdl_wherey;
		cio_api.wherex=sdl_wherex;
		cio_api.putch=sdl_putch;
		cio_api.gotoxy=sdl_gotoxy;
		cio_api.gettextinfo=sdl_gettextinfo;
		cio_api.setcursortype=sdl_setcursortype;
		cio_api.getch=sdl_getch;
		cio_api.getche=sdl_getche;
		cio_api.textmode=sdl_textmode;
		cio_api.showmouse=sdl_showmouse;
		cio_api.hidemouse=sdl_hidemouse;
135
		cio_api.setname=sdl_setname;
136
		cio_api.seticon=sdl_seticon;
137
		cio_api.settitle=sdl_settitle;
138
139
140
141
#ifdef _WIN32
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
#else
142
143
		cio_api.copytext=sdl_copytext;
		cio_api.getcliptext=sdl_getcliptext;
144
#endif
145
		cio_api.setfont=sdl_setfont;
deuce's avatar
deuce committed
146
		cio_api.getfont=sdl_getfont;
147
		cio_api.loadfont=sdl_loadfont;
148
149
150
151
152
153
		return(1);
	}
	return(0);
}
#endif

154
155
156
157
158
#ifndef _WIN32
 #ifndef NO_X
int try_x_init(int mode)
{
	if(!console_init()) {
159
		cio_api.mode=CIOLIB_MODE_X;
deuce's avatar
deuce committed
160
		cio_api.mouse=1;
161
162
163
164
165
166
167
168
169
170
171
172
173
174
		cio_api.puttext=x_puttext;
		cio_api.gettext=x_gettext;
		cio_api.textattr=x_textattr;
		cio_api.kbhit=x_kbhit;
		cio_api.delay=x_delay;
		cio_api.wherey=x_wherey;
		cio_api.wherex=x_wherex;
		cio_api.putch=x_putch;
		cio_api.gotoxy=x_gotoxy;
		cio_api.gettextinfo=x_gettextinfo;
		cio_api.setcursortype=x_setcursortype;
		cio_api.getch=x_getch;
		cio_api.getche=x_getche;
		cio_api.textmode=x_textmode;
175
		cio_api.setname=x_setname;
176
		cio_api.settitle=x_settitle;
deuce's avatar
deuce committed
177
178
		cio_api.copytext=x_copytext;
		cio_api.getcliptext=x_getcliptext;
179
		cio_api.setfont=x_setfont;
deuce's avatar
deuce committed
180
		cio_api.getfont=x_getfont;
181
		cio_api.loadfont=x_loadfont;
182
183
184
185
186
187
188
189
190
		return(1);
	}
	return(0);
}
 #endif

int try_curses_init(int mode)
{
	if(curs_initciolib(mode)) {
191
		cio_api.mode=CIOLIB_MODE_CURSES_IBM;
192
193
194
195
196
197
198
199
200
201
202
203
204
205
		cio_api.puttext=curs_puttext;
		cio_api.gettext=curs_gettext;
		cio_api.textattr=curs_textattr;
		cio_api.kbhit=curs_kbhit;
		cio_api.delay=curs_delay;
		cio_api.wherey=curs_wherey;
		cio_api.wherex=curs_wherex;
		cio_api.putch=curs_putch;
		cio_api.gotoxy=curs_gotoxy;
		cio_api.gettextinfo=curs_gettextinfo;
		cio_api.setcursortype=curs_setcursortype;
		cio_api.getch=curs_getch;
		cio_api.getche=curs_getche;
		cio_api.textmode=curs_textmode;
deuce's avatar
deuce committed
206
207
		cio_api.showmouse=curs_showmouse;
		cio_api.hidemouse=curs_hidemouse;
208
209
		cio_api.suspend=curs_suspend;
		cio_api.resume=curs_resume;
210
211
212
#ifdef NCURSES_VERSION_MAJOR
		cio_api.ESCDELAY=&ESCDELAY;
#endif
213
214
215
216
217
218
219
220
221
		return(1);
	}
	return(0);
}
#endif

int try_ansi_init(int mode)
{
	if(ansi_initciolib(mode)) {
222
		cio_api.mode=CIOLIB_MODE_ANSI;
deuce's avatar
deuce committed
223
		cio_api.mouse=0;
224
225
226
227
228
229
230
231
232
233
234
235
236
237
		cio_api.puttext=ansi_puttext;
		cio_api.gettext=ansi_gettext;
		cio_api.textattr=ansi_textattr;
		cio_api.kbhit=ansi_kbhit;
		cio_api.delay=ansi_delay;
		cio_api.wherey=ansi_wherey;
		cio_api.wherex=ansi_wherex;
		cio_api.putch=ansi_putch;
		cio_api.gotoxy=ansi_gotoxy;
		cio_api.gettextinfo=ansi_gettextinfo;
		cio_api.setcursortype=ansi_setcursortype;
		cio_api.getch=ansi_getch;
		cio_api.getche=ansi_getche;
		cio_api.textmode=ansi_textmode;
deuce's avatar
deuce committed
238
		cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
239
240
241
242
243
244
		return(1);
	}
	return(0);
}

#ifdef _WIN32
245
246
247
#if defined(__BORLANDC__)
        #pragma argsused
#endif
248
int try_conio_init(int mode)
249
250
{
	/* This should test for something or other */
251
	if(win32_initciolib(mode)) {
252
		cio_api.mode=CIOLIB_MODE_CONIO;
deuce's avatar
deuce committed
253
		cio_api.mouse=1;
254
255
256
		cio_api.puttext=win32_puttext;
		cio_api.gettext=win32_gettext;
		cio_api.textattr=win32_textattr;
deuce's avatar
deuce committed
257
		cio_api.kbhit=win32_kbhit;
deuce's avatar
deuce committed
258
		cio_api.delay=win32_delay;
259
260
261
262
263
264
		cio_api.wherey=win32_wherey;
		cio_api.wherex=win32_wherex;
		cio_api.putch=win32_putch;
		cio_api.gotoxy=win32_gotoxy;
		cio_api.gettextinfo=win32_gettextinfo;
		cio_api.setcursortype=win32_setcursortype;
deuce's avatar
deuce committed
265
266
		cio_api.getch=win32_getch;
		cio_api.getche=win32_getche;
267
		cio_api.textmode=win32_textmode;
deuce's avatar
deuce committed
268
269
		cio_api.showmouse=win32_showmouse;
		cio_api.hidemouse=win32_hidemouse;
270
		cio_api.setname=win32_settitle;
271
		cio_api.settitle=win32_settitle;
deuce's avatar
deuce committed
272
273
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
274
275
		cio_api.suspend=win32_suspend;
		cio_api.resume=win32_resume;
276
277
278
279
280
281
		return(1);
	}
	return(0);
}
#endif

282
283
CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
{
284
	ciolib_clrscr();
285
286
287
288
289
	if(cio_api.suspend != NULL)
		cio_api.suspend();
	initialized=-1;
}

290
CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
291
{
292
293
294
295
	switch(initialized) {
		case 1:
			return(0);
		case -1:
296
			initialized=1;
297
298
			if(cio_api.resume != NULL)
				cio_api.resume();
299
			ciolib_clrscr();
300
301
302
			return(0);
	}

303
304
	memset(&cio_api,0,sizeof(cio_api));

305
	switch(mode) {
306
		case CIOLIB_MODE_AUTO:
307
308
309
#ifdef WITH_SDL
			if(!try_sdl_init(mode))
#endif
310
#ifdef _WIN32
311
				if(!try_conio_init(mode))
312
#else
313
#ifndef NO_X
314
				if(!try_x_init(mode))
315
#endif
316
					if(!try_curses_init(mode))
317
#endif
318
						try_ansi_init(mode);
319
320
			break;
#ifdef _WIN32
321
		case CIOLIB_MODE_CONIO:
322
			try_conio_init(mode);
323
324
			break;
#else
325
326
		case CIOLIB_MODE_CURSES:
		case CIOLIB_MODE_CURSES_IBM:
327
328
			try_curses_init(mode);
			break;
329

330
		case CIOLIB_MODE_X:
331
#ifndef NO_X
332
			try_x_init(mode);
333
#endif
334
335
			break;
#endif
336
		case CIOLIB_MODE_ANSI:
337
338
			try_ansi_init(mode);
			break;
339
340
341

#ifdef WITH_SDL
		case CIOLIB_MODE_SDL:
342
		case CIOLIB_MODE_SDL_FULLSCREEN:
343
344
345
			try_sdl_init(mode);
			break;
#endif
346
	}
347
	if(cio_api.mode==CIOLIB_MODE_AUTO) {
deuce's avatar
deuce committed
348
		fprintf(stderr,"CIOLIB initialization failed!\n");
349
350
351
352
353
354
355
356
357
358
		return(-1);
	}

	initialized=1;
	ciolib_gettextinfo(&cio_textinfo);
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
	cio_textinfo.normattr=7;
deuce's avatar
deuce committed
359
	_beginthread(ciolib_mouse_thread,0,NULL);
360
361
362
	return(0);
}

363
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
364
{
365
	CIOLIB_INIT();
366
367
368
369
370
	if(ungotch)
		return(1);
	return(cio_api.kbhit());
}

371
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
372
373
374
{
	int ch;

375
376
	CIOLIB_INIT();

377
378
379
380
381
382
383
384
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		return(ch);
	}
	return(cio_api.getch());
}

385
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
386
387
388
{
	int ch;

389
390
	CIOLIB_INIT();

391
392
393
394
395
396
397
398
399
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		ciolib_putch(ch);
		return(ch);
	}
	return(cio_api.getche());
}

400
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
401
{
402
403
	CIOLIB_INIT();
	
404
405
406
407
408
409
	if(ungotch)
		return(EOF);
	ungotch=ch;
	return(ch);
}

410
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
411
412
413
{
	int width;
	int height;
414
	unsigned char *buf;
415

416
	CIOLIB_INIT();
417
418

	if(cio_api.movetext != NULL)
deuce's avatar
deuce committed
419
		return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
420

421
422
	width=ex-sx;
	height=ey-sy;
423
	buf=(unsigned char *)alloca((width+1)*(height+1)*2);
424
425
	if(buf==NULL)
		return(0);
426
	if(!ciolib_gettext(sx,sy,ex,ey,buf))
427
		return(0);
428
	if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
429
430
431
432
		return(0);
	return(1);
}

433
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
434
435
436
437
438
{
	int	maxlen;
	int len=0;
	int ch;

439
440
	CIOLIB_INIT();
	
441
	maxlen=*(unsigned char *)str;
442
	while((ch=ciolib_getch())!='\n' && ch !='\r') {
443
444
		switch(ch) {
			case 0:	/* Skip extended keys */
445
				ciolib_getche();
446
				break;
deuce's avatar
deuce committed
447
			case '\r':	/* Skip \r (ToDo: Should this be treated as a \n? */
448
449
450
				break;
			case '\b':
				if(len==0) {
451
					ciolib_putch(7);
452
453
454
455
456
457
					break;
				}
				ciolib_putch('\b');
				len--;
				break;
			default:
458
				ciolib_putch(ch);
459
460
461
462
				str[(len++)+2]=ch;
				if(len==maxlen) {
					str[len+2]=0;
					*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
463
					ciolib_putch('\r');
464
					ciolib_putch('\n');
465
466
467
468
469
					return(&str[2]);
				}
				break;
		}
	}
470
471
	str[len+2]=0;
	*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
472
	ciolib_putch('\r');
473
	ciolib_putch('\n');
474
	return(&str[2]);
475
476
}

477
478
479
480
481
482
483
484
485
486
487
488
#ifdef _MSC_VER	/* Use lame vsscanf() implementation */
/* This is a way to do _vsscanf without using fancy stack tricks or using the
 * "_input" method provided by Microsoft, which is no longer exported as of .NET.
 * The function has a limit of 25 arguments (or less if you run out of stack space),
 *  but how many arguments do you need?
 */
/* From "krabsheva" - http://www.codeguru.com/Cpp/Cpp/string/comments.php/c5631/?thread=1051 */
int vsscanf( const char *buffer, const char *format, va_list arg_ptr )
{
	int i, ret;
	void *arg_arr[25];

489
	/* Do exception handling in case we go too far // */
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
	__try
	{
		for ( i = 0; i < 25; i++ )
			arg_arr[i] = va_arg( arg_ptr, void * );
	}
	__except( EXCEPTION_EXECUTE_HANDLER )
	{
	}

	/* This is lame, but the extra arguments won't be used by sscanf */
	ret = sscanf( buffer, format, arg_arr[0], arg_arr[1], arg_arr[2], arg_arr[3],
		arg_arr[4], arg_arr[5], arg_arr[6], arg_arr[7], arg_arr[8], arg_arr[9],
		arg_arr[10], arg_arr[11], arg_arr[12], arg_arr[13], arg_arr[14],
		arg_arr[15], arg_arr[16], arg_arr[17], arg_arr[18], arg_arr[19],
		arg_arr[20], arg_arr[21], arg_arr[22], arg_arr[23], arg_arr[24] );

	return ret;
}
#endif

510
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
511
512
513
514
515
{
	char str[255];
    va_list argptr;
	int ret;

516
517
	CIOLIB_INIT();
	
518
519
520
521
522
523
524
	str[0]=-1;
	va_start(argptr,format);
	ret=vsscanf(ciolib_cgets(str),format,argptr);
	va_end(argptr);
	return(ret);
}

525
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
526
527
528
529
530
{
	static char pass[9];
	int len=0;
	int ch;

531
532
	CIOLIB_INIT();
	
533
	ciolib_cputs((char *)prompt);
deuce's avatar
deuce committed
534
	while((ch=ciolib_getch())!='\n') {
535
536
		switch(ch) {
			case 0:	/* Skip extended keys */
deuce's avatar
deuce committed
537
				ciolib_getch();
538
539
540
541
542
				break;
			case '\r':	/* Skip \r (ToDo: Should this be treeated as a \n? */
				break;
			case '\b':
				if(len==0) {
543
					ciolib_putch(7);
544
545
546
547
548
549
					break;
				}
				len--;
				break;
			default:
				if(len==8)
550
					ciolib_putch(7);
551
552
553
554
555
				else
					pass[len++]=ch;
				break;
		}
	}
556
557
	pass[len]=0;
	return(pass);
558
559
}

560
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
561
562
{
	if(!initialized)
563
		initciolib(CIOLIB_MODE_AUTO);
564
565
566
567
568
569
570
571
572
573
574
575
576
577
	else {
		cio_api.gettextinfo(&cio_textinfo);
	}
	if(info!=&cio_textinfo) {
		info->winleft=cio_textinfo.winleft;        /* left window coordinate */
		info->wintop=cio_textinfo.wintop;         /* top window coordinate */
		info->winright=cio_textinfo.winright;       /* right window coordinate */
		info->winbottom=cio_textinfo.winbottom;      /* bottom window coordinate */
		info->attribute=cio_textinfo.attribute;      /* text attribute */
		info->normattr=cio_textinfo.normattr;       /* normal attribute */
		info->currmode=cio_textinfo.currmode;       /* current video mode:
                               			 BW40, BW80, C40, C80, or C4350 */
		info->screenheight=cio_textinfo.screenheight;   /* text screen's height */
		info->screenwidth=cio_textinfo.screenwidth;    /* text screen's width */
578
579
		info->curx=cio_textinfo.curx-cio_textinfo.winleft+1;           /* x-coordinate in current window */
		info->cury=cio_textinfo.cury-cio_textinfo.wintop+1;           /* y-coordinate in current window */
580
581
582
	}
}

583
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
584
585
586
587
{
	int os;
	struct text_info ti;

588
	CIOLIB_INIT();
589

590
	if(cio_api.wscroll!=NULL) {
591
592
593
		cio_api.wscroll();
		return;
	}
594
595
596
597
	ciolib_gettextinfo(&ti);
	if(!_wscroll)
		return;
	ciolib_movetext(ti.winleft,ti.wintop+1,ti.winright,ti.winbottom,ti.winleft,ti.wintop);
598
	ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
599
600
	os=_wscroll;
	_wscroll=0;
601
602
	/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
	ciolib_clreol();
603
604
605
606
	_wscroll=os;
	ciolib_gotoxy(ti.curx,ti.cury);
}

607
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
608
609
610
{
	int x;

611
612
	CIOLIB_INIT();
	
613
614
615
616
617
	x=cio_api.wherex();
	x=x-cio_textinfo.winleft+1;
	return(x);
}

618
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
619
620
621
{
	int y;

622
623
	CIOLIB_INIT();
	
624
625
626
627
628
	y=cio_api.wherey();
	y=y-cio_textinfo.wintop+1;
	return(y);
}

629
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
630
631
632
633
634
{
	int nx;
	int ny;
	struct text_info ti;

635
636
	CIOLIB_INIT();
	
637
638
639
640
641
642
643
644
645
646
647
	ciolib_gettextinfo(&ti);
	if(		x < 1
			|| x > ti.winright-ti.winleft+1
			|| y < 1
			|| y > ti.winbottom-ti.wintop+1)
		return;
	nx=x+ti.winleft-1;
	ny=y+ti.wintop-1;
	cio_api.gotoxy(nx,ny);
}

648
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
649
{
650
651
	CIOLIB_INIT();
	
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
	if(mode==-1) {
		ciolib_gettextinfo(&cio_textinfo);
		cio_api.textmode(lastmode);
		lastmode=cio_textinfo.currmode;
	}
	else {
		ciolib_gettextinfo(&cio_textinfo);
		lastmode=cio_textinfo.currmode;
		cio_api.textmode(mode);
	}
	ciolib_gettextinfo(&cio_textinfo);
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
}

669
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
670
{
671
672
	CIOLIB_INIT();
	
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
	ciolib_gettextinfo(&cio_textinfo);
	if(		   sx < 1
			|| sy < 1
			|| ex < 1
			|| ey < 1
			|| sx > cio_textinfo.screenwidth
			|| sy > cio_textinfo.screenheight
			|| sx > ex
			|| sy > ey
			|| ex > cio_textinfo.screenwidth
			|| ey > cio_textinfo.screenheight)
		return;
	cio_textinfo.winleft=sx;
	cio_textinfo.wintop=sy;
	cio_textinfo.winright=ex;
	cio_textinfo.winbottom=ey;
	ciolib_gotoxy(1,1);
}

692
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
693
{
694
695
696
697
	unsigned char *buf;
	int i;
	int width,height;
	struct text_info ti;
698

699
700
	CIOLIB_INIT();
	
701
	ciolib_gettextinfo(&ti);
702

deuce's avatar
deuce committed
703
	width=ti.winright-ti.winleft+1-ti.curx+1;
704
	height=1;
705
	buf=(unsigned char *)alloca(width*height*2);
706
707
708
709
710
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
		buf[i++]=ti.attribute;
	}
	ciolib_puttext(ti.curx+ti.winleft-1,ti.cury+ti.wintop-1,ti.winright,ti.cury+ti.wintop-1,buf);
711
712
}

713
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
714
{
715
	unsigned char *buf;
716
717
718
719
	int i;
	int width,height;
	struct text_info ti;

720
721
	CIOLIB_INIT();
	
722
723
724
725
	ciolib_gettextinfo(&ti);

	width=ti.winright-ti.winleft+1;
	height=ti.winbottom-ti.wintop+1;
726
	buf=(unsigned char *)alloca(width*height*2);
727
728
729
730
731
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
		buf[i++]=ti.attribute;
	}
	ciolib_puttext(ti.winleft,ti.wintop,ti.winright,ti.winbottom,buf);
732
	ciolib_gotoxy(1,1);
733
734
}

735
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void)
736
737
738
{
	struct text_info ti;

739
740
	CIOLIB_INIT();
	
741
742
743
744
745
746
747
748
	ciolib_gettextinfo(&ti);

	ciolib_movetext(ti.winleft,ti.cury+1,ti.winright,ti.winbottom,ti.winleft,ti.cury);
	ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
	ciolib_clreol();
	ciolib_gotoxy(ti.curx,ti.cury);
}

749
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void)
750
751
752
{
	struct text_info ti;

753
754
	CIOLIB_INIT();
	
755
756
757
758
759
760
761
762
	ciolib_gettextinfo(&ti);

	ciolib_movetext(ti.winleft,ti.cury,ti.winright,ti.winbottom,ti.winleft,ti.cury+1);
	ciolib_gotoxy(1,ti.cury);
	ciolib_clreol();
	ciolib_gotoxy(ti.curx,ti.cury);
}

763
CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
764
765
766
{
    va_list argptr;
	int		ret;
767
#ifdef _MSC_VER		/* Can't figure out a way to allocate a "big enough" buffer for Win32. */
768
769
770
771
772
	char	str[16384];
#else
	char	*str;
#endif

773
	CIOLIB_INIT();
774

775
    va_start(argptr,fmat);
776
#ifdef _MSC_VER
rswindell's avatar
rswindell committed
777
	ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
778
779
#else
    ret=vsnprintf(NULL,0,fmat,argptr);
deuce's avatar
deuce committed
780
781
	if(ret<0)
		return(EOF);
782
	str=(char *)alloca(ret+1);
783
784
785
786
787
788
789
790
791
792
793
794
	if(str==NULL)
		return(EOF);
	ret=vsprintf(str,fmat,argptr);
#endif
    va_end(argptr);
	if(ret>=0)
		ciolib_cputs(str);
	else
		ret=EOF;
    return(ret);
}

795
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str)
796
797
798
{
	int		pos;
	int		ret=0;
799
	int		olddmc;
800

801
	CIOLIB_INIT();
802

803
804
	olddmc=hold_update;
	hold_update=1;
805
806
807
808
809
810
811
	for(pos=0;str[pos];pos++)
	{
		ret=str[pos];
		if(str[pos]=='\n')
			ciolib_putch('\r');
		ciolib_putch(str[pos]);
	}
812
	hold_update=olddmc;
deuce's avatar
deuce committed
813
	ciolib_gotoxy(ciolib_wherex(),ciolib_wherey());
814
815
816
	return(ret);
}

817
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour)
818
819
{
	unsigned char attr;
820
	unsigned char col;
821

822
823
	CIOLIB_INIT();
	
824
825
826
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr&=143;
827
828
	col=(colour & 0x07);
	attr|=(col<<4);
829
830
831
	ciolib_textattr(attr);
}

832
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour)
833
834
{
	unsigned char attr;
835
	unsigned char col;
836

837
838
	CIOLIB_INIT();
	
839
840
841
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr&=240;
842
843
	col=colour&0x0f;
	attr|=col;
844
845
846
	ciolib_textattr(attr);
}

847
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void)
848
849
850
{
	int attr;

851
852
	CIOLIB_INIT();
	
853
854
855
856
857
858
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr |= 8;
	ciolib_textattr(attr);
}

859
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void)
860
861
862
{
	int attr;

863
864
	CIOLIB_INIT();
	
865
866
867
868
869
870
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr &= 0xf7;
	ciolib_textattr(attr);
}

871
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void)
872
{
873
874
	CIOLIB_INIT();
	
875
876
877
	ciolib_textattr(0x07);
}

878
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e)
879
{
880
881
	CIOLIB_INIT();
	
882
883
884
	return(cio_api.puttext(a,b,c,d,e));
}

885
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e)
886
{
887
888
	CIOLIB_INIT();
	
889
890
891
	return(cio_api.gettext(a,b,c,d,e));
}

892
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a)
893
{
894
895
	CIOLIB_INIT();
	
896
897
898
	cio_api.textattr(a);
}

899
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a)
900
{
901
902
	CIOLIB_INIT();
	
903
904
905
	cio_api.delay(a);
}

906
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a)
907
{
908
	unsigned char a1=a;
909
	CIOLIB_INIT();
910

911
912
	if(a1=='\n')
		return(cio_api.putch(a1));
913
	return(cio_api.putch(a1));
914
915
}

916
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a)
917
{
918
919
	CIOLIB_INIT();
	
920
921
	cio_api.setcursortype(a);
}
deuce's avatar
deuce committed
922

923
CIOLIBEXPORT int CIOLIBCALL ciolib_showmouse(void) {
deuce's avatar
deuce committed
924
925
926
927
	CIOLIB_INIT();

	if(cio_api.showmouse!=NULL)
		return(cio_api.showmouse());
928
	return(-1);
deuce's avatar
deuce committed
929
930
}

931
CIOLIBEXPORT int CIOLIBCALL ciolib_hidemouse(void) {
deuce's avatar
deuce committed
932
933
934
935
	CIOLIB_INIT();

	if(cio_api.hidemouse!=NULL)
		return(cio_api.hidemouse());
936
	return(-1);
deuce's avatar
deuce committed
937
}
938

939
CIOLIBEXPORT void CIOLIBCALL ciolib_setname(const char *name) {
940
941
942
943
944
945
	CIOLIB_INIT();

	if(cio_api.setname!=NULL)
		cio_api.setname(name);
}

946
947
948
949
950
951
952
CIOLIBEXPORT void CIOLIBCALL ciolib_seticon(const void *icon, unsigned long size) {
	CIOLIB_INIT();

	if(cio_api.seticon!=NULL)
		cio_api.seticon(icon,size);
}

953
CIOLIBEXPORT void CIOLIBCALL ciolib_settitle(const char *title) {
954
955
956
957
958
	CIOLIB_INIT();

	if(cio_api.settitle!=NULL)
		cio_api.settitle(title);
}
deuce's avatar
deuce committed
959

960
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen)
deuce's avatar
deuce committed
961
962
963
964
965
966
967
{
	CIOLIB_INIT();

	if(cio_api.copytext!=NULL)
		cio_api.copytext(text,buflen);
}

968
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void)
deuce's avatar
deuce committed
969
970
971
972
973
974
975
976
{
	CIOLIB_INIT();

	if(cio_api.getcliptext!=NULL)
		return(cio_api.getcliptext());
	else
		return(NULL);
}
977
978
979
980
981
982
983
984
985
986

CIOLIBEXPORT int CIOLIBCALL ciolib_setfont(int font, int force)
{
	CIOLIB_INIT();

	if(cio_api.setfont!=NULL)
		return(cio_api.setfont(font,force));
	else
		return(-1);
}
deuce's avatar
deuce committed
987
988
989
990
991
992
993
994
995
996

CIOLIBEXPORT int CIOLIBCALL ciolib_getfont(void)
{
	CIOLIB_INIT();

	if(cio_api.getfont!=NULL)
		return(cio_api.getfont());
	else
		return(-1);
}
997
998
999
1000
1001
1002
1003
1004
1005
1006

CIOLIBEXPORT int CIOLIBCALL ciolib_loadfont(char *filename)
{
	CIOLIB_INIT();

	if(cio_api.loadfont!=NULL)
		return(cio_api.loadfont(filename));
	else
		return(-1);
}